Ghost Whisperer (2005)

S4E4 Save Our Souls

Melinda and Jim embark on a romantic getaway aboard a cruise ship, seeking a blissful escape. However, their serene vacation takes an unexpected turn when Melinda encounters a vengeful ghost that torments a newly married couple on board. Determined to help, she must unravel the spirit's tragic past while navigating the complexities of love and the supernatural.